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<h3><a name="SECTION0010621000000000000000"></a><a name="dom-implementation-objects"></a>
<br>
8.6.2.1 DOMImplementation Objects
               
</h3>

<p>
The <tt class="class">DOMImplementation</tt> interface provides a way for
applications to determine the availability of particular features in
the DOM they are using.  DOM Level&nbsp;2 added the ability to create new
<tt class="class">Document</tt> and <tt class="class">DocumentType</tt> objects using the
<tt class="class">DOMImplementation</tt> as well.

<p>
<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
  <td><nobr><b><tt id='l2h-1772' xml:id='l2h-1772' class="method">hasFeature</tt></b>(</nobr></td>
  <td><var>feature, version</var>)</td></tr></table></dt>
<dd>
Return true if the feature identified by the pair of strings
<var>feature</var> and <var>version</var> is implemented.
</dl>

<p>
<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
  <td><nobr><b><tt id='l2h-1773' xml:id='l2h-1773' class="method">createDocument</tt></b>(</nobr></td>
  <td><var>namespaceUri, qualifiedName, doctype</var>)</td></tr></table></dt>
<dd>
Return a new <tt class="class">Document</tt> object (the root of the DOM), with a
child <tt class="class">Element</tt> object having the given <var>namespaceUri</var> and
<var>qualifiedName</var>. The <var>doctype</var> must be a <tt class="class">DocumentType</tt>
object created by <tt class="method">createDocumentType()</tt>, or <code>None</code>.
In the Python DOM API, the first two arguments can also be <code>None</code>
in order to indicate that no <tt class="class">Element</tt> child is to be created.
</dl>

<p>
<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
  <td><nobr><b><tt id='l2h-1774' xml:id='l2h-1774' class="method">createDocumentType</tt></b>(</nobr></td>
  <td><var>qualifiedName, publicId, systemId</var>)</td></tr></table></dt>
<dd>
Return a new <tt class="class">DocumentType</tt> object that encapsulates the given
<var>qualifiedName</var>, <var>publicId</var>, and <var>systemId</var> strings,
representing the information contained in an XML document type
declaration.
</dl>

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<span class="release-info">Release 2.5.1, documentation updated on 18th April, 2007.</span>
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